diff --git a/pylib/anki/_legacy.py b/pylib/anki/_legacy.py
index 672978142..1c46bea3d 100644
--- a/pylib/anki/_legacy.py
+++ b/pylib/anki/_legacy.py
@@ -40,12 +40,14 @@ def _print_warning(old: str, doc: str) -> None:
 class DeprecatedNamesMixin:
     "Expose instance methods/vars as camelCase for legacy callers."
 
+    # deprecated name -> new name
+    _deprecated_aliases: dict[str, str] = {}
+    # deprecated name -> [new internal name, new name shown to user]
+    _deprecated_attributes: dict[str, tuple[str, str]] = {}
+
     # the @no_type_check lines are required to prevent mypy allowing arbitrary
     # attributes on the consuming class
 
-    _deprecated_aliases: dict[str, str] = {}
-    _deprecated_attributes: dict[str, tuple[str, str]] = {}
-
     @no_type_check
     def __getattr__(self, name: str) -> Any:
         if some_tuple := self._deprecated_attributes.get(name):